Mississippi Palisades State Park
Illinois, September 7, 2011
[1] [2] [3]
Return to My Travels
| Sentinel Trail |
 |
| Geologic features present here are the shear dolomite bluffs known as the palisades and the dolomite column known as the Sentinel. This unique geologic feature is a free-standing dolomite column, rising nearly 200 feet above the talus slopes. The Sentinel appears to be a fractured pillar from adjacent bluff lines. Small limestone outcrops also occur scattered above the sides of the slopes and provide important cliff habitat for many plant and animal species. |
 |
| The state park is located in the southern part of the geologic region know as the "Driftless Area." Although much of Illinois' landscape is the result of glacial action, this is not the case with the extreme northwest corner. The Driftless Area was untouched by glaciers during the various Ice Ages. |
 The Great River Road is not a single road as its name might suggest. It is more accurately described as a designated route, the whole of which consists of connected segments of other named and numbered highways and routes, each maintained by local jurisdictions. |
